Under the rubric "In My End Is My Beginning" in these columns (122:75-78 [July] 1968), exercising a dubious medical prerogative, I discussed the personality and the maladies of one of the most famous and controversial figures in history, Mary, Queen of Scots. More recently I submitted a brief postscript, setting out the argument of a valued correspondent, Perry Hookman, MD, professor of medicine, Medical Division, the George Washington University, Washington, DC, who questioned the diagnoses which had been put forward in Mary's case, recurrent gastric ulcer and a hysterical diathesis, and argued most persuasively that she could have suffered from hyperparathyroidism.

I now return to the subject with a second postscript, so to speak, and, as is so often the case with such additions, this is a communication of the utmost importance. Reverting to Mary's motto "In my end is my beginning," it would seem that there is yet